620440674 has 32 divisors (see below), whose sum is σ = 1467054720. Its totient is φ = 171155712.

The previous prime is 620440657. The next prime is 620440693. The reversal of 620440674 is 476044026.

620440674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253479 + ... + 255914.

It is an arithmetic number, because the mean of its divisors is an integer number (45845460).

Almost surely, 2^620440674 is an apocalyptic number.

620440674 is an abundant number, since it is smaller than the sum of its proper divisors (846614046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620440674 is a wasteful number, since it uses less digits than its factorization.

620440674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509434.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 620440674 is about 24908.6465710203. The cubic root of 620440674 is about 852.9038739007.

The spelling of 620440674 in words is "six hundred twenty million, four hundred forty thousand, six hundred seventy-four".